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Catenation i.e., linking of similar atoms depends on size and electronic configuration of atoms. The tendency of catenation in Group 14 elements follows the order:
(i) C > Si > Ge > Sn
(ii) C >> Si > Ge \approx Sn
(iii) Si > C > Sn > Ge
(iv) Ge > Sn > Si > C

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The answer is the option (ii) C >> Si > Ge \approx Sn

The atomic size decreases when there is movement along down the group and the bond energy, as well as the catenation property, also decreases. Therefore carbon shows maximum catenation in group 14.

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